package com.scofevil.imooc.annotation;

public class Test {
	@SuppressWarnings("deprecation")
	public void sing() {

		Person p = new Child();

		p.sing();
	}

	public static void main(String[] args) {
		if (true) {
			System.out.println("!!!!!");
			assert (false);
			System.out.println("!!!!!");
		}
	}

}
